Tuesday, April 19, 2016

Solutions Explore blog

A solution is a mixture where the solute is distributed within the solvent. A solvent is what the solute is dissolved in. The solute is what can be dissolved.

Dissolving is when the solute has broken down into smaller molecules, from the large molecule it once was, after it has made contact with the solvent.

In conclusion, my results each demonstrated something different in each part of the lab. In part A, we were able to identify when a solution is saturated, or super saturated. When a solution is saturated, it means that the solution has dissolved nearly completely and cannot be dissolved anymore. In my results, the sodium acetate was saturated because it dissolved in the water and it could not be dissolved anymore. However the heated test tube results were that it was super saturated because it completely dissolved because the heat created more energy and allowed for the molecules to be broken down faster.

In part B, we concluded that like dissolves like. The glucose had not dissolved in the Benzene but dissolved in the water. The water was polar and the Benzene was non-polar. Therefore, if a substance was polar it would dissolve in water and whatever was non-polar, would dissolved in the Benzene.

In part C, we were able to identify what can conduct an electric current using electrolytes. The glucose and DI water, did not produce electricity, because there were no electrolytes. Sodium chloride, and tap water both produced electricity. However, Sodium cholride produced a higher conductivity because it had stronger electrolytes than the tap water. The tap water was not as bright as the sodium chloride also because it produced fewer ions.




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